Mainhead

A hard person that dont give a shit. A main head would fight anyone and most times they win. they hard bastards that you dont wana cross.

"Shit! heads down heres the mainheads!"

Mainhead by Mason, T July 7, 2006

manhead 

A female who is very similar in appearence to a male

that girl is such a manhead

manhead by Chalres Babbage May 16, 2003

mairhead 

i just jizzzeddd

used to drinking alot
getting stoned
and fucked on drugs

mairhead: O M G i just jizzed in a weird voice

mairhead by boahblahjblah April 16, 2010

manhead 

to stymie, defeat, or prevent something from happening

Didn't mean to manhead you there, but I had to go first.

manhead by Sean September 22, 2003

Mairhead 

In all aspects the manifestation of gluttony and sloth.

"Hey, I just ate everything in the kitchen and consumed approximately 40'000 calories."

"OMG, you're such a Mairhead!"

Mairhead by Fathunter November 19, 2011